JBL CBT1000E-WH Extension provides extended bass response, extended pattern control, and increased sound output levels. Frequency Range (-10 dB): 38 Hz – 650 Hz Nominal Impedance: 8 ohms Drivers: Six (6) 165 mm (6.5 in) LF drivers Max SPL: 124 dB full space, 130 dB half-space (65 Hz – 300 Hz) Sensitivity (2.83V@ 1m): 92 dB full space, 98 dB half-space (65 Hz – 300 Hz) Power Capacity: 1500 W (6000 W peak), 2 hrs ; 1000 W (4000 W peak), 100 hrs

JBL Control 328CT has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker. Frequency Range: (-10dB): 45 Hz – 18 kHz and (±3 dB): 60Hz – 16 kHz Impedance: 8 ohms Maximum SPL (1m): 118 dB (top 70V/100V tap) Transformer Taps: 68W, 34W, 17W, (& 8.5W @ 70V) Coverage Angle: 120° conical, constant directivity Drivers: LF Driver: 200 mm (8 in) and HF Driver: compression driver, 25 mm (1 inch) coil Dimensions (H x W x D): 305 mm (12.0 in.) diameter round baffle x depth from back of baffle of 218 mm (8.6 in)

JBL Control 321C has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker. Frequency Range: (-10dB): 34 Hz – 18 kHz and (±3 dB): 47 Hz – 16 kHz Impedance: 5.6 ohms Maximum SPL (1m): 118 dB (124 dB peak) Coverage Angle: 90° conical, constant directivity Drivers: LF Driver: 300 mm (12 in) and HF Driver: compression driver, 25 mm (1 inch) coil Power Rating: 250 W continuous pink noise (1000 W peak), 2 hrs 200 W continuous pink noise (800 W peak), 100 hrs Dimensions (H x W x D): 366 x 366 mm (14.4 x 14.4 in) square baffle x depth from back of baffle of 223 mm (8.8 in)